Climate Overview
The climate in Harbu is temperate. The average annual temperature is 16°C and approximately 1186mm of precipitation falls per year. April is the wettest month, receiving around 307mm of rainfall. Harbu is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, March, May. The coldest months are December, November, October, when temperatures can drop to 6°C.
Temperature
Harbu sees moderate temperature variation throughout the year, ranging from 6°C to 26°C. The warmest month is June, when average highs reach 26°C and the mean temperature sits around 20°C. December is the coolest month, with minimum temperatures around 6°C and an average of 13°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.
Precipitation
Harbu is a moderately rainy area, receiving approximately 1186mm of precipitation annually, which averages out to around 99mm per month. The wettest month is April, averaging 307mm of rainfall. August and July also tend to see above-average precipitation. The driest month is December, with just 5mm. That's 302mm less than April, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Harbu is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
52 days until Autumn
It is currently summer in Harbu, which began on June 21, 2026. Harbu is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in June at around 26°C, while the coldest stretch bottoms out in December near 6°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.
Spring
Temperatures range from 12 to 24°C. Rainfall is heavy, totalling around 453mm across the season with a monthly average of 151mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 26°C. Rainfall is heavy, totalling around 500mm across the season with a monthly average of 167mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 7 to 22°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 6 to 22°C. Rainfall is relatively light, with around 110mm over the season and a monthly average of 37mm. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Harbu is during February, March, May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 48mm per month. By contrast, December can be quite cold with temperatures dropping to 6°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Harbu based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.